<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登陆页面</title>
    <link rel="stylesheet" href="css/conmmon.css">
    <link rel="stylesheet" href="css/login.css">
    <script src="js/jquery.min.js"></script>
</head>

<body>
<!-- 导航栏 -->
<div class="nav">
    <img src="img/logo2.jpg" alt="">
    <span class="title">我的博客系统</span>
    <!-- 用来占据中间位置 -->
    <span class="spacer"></span>
    <a href="blog_list.html">主页</a>
    <a href="blog_edit.html">写博客</a>
    <a href="reg.html">注册</a>
    <!-- <a href="#">注销</a> -->
</div>
<!-- 版心 -->
<div class="login-container">
    <!-- 中间的登陆框 -->
    <div class="login-dialog">
        <h3>登陆</h3>
        <div class="row">
            <span>用户名</span>
            <input type="text" id="username">
        </div>
        <div class="row">
            <span>密码</span>
            <input type="password" id="password">
        </div>


        <div class="row">
<!--            <form action="#" method="post">-->
            <span style="width: 50px;">验证码</span>
            <img src="/user/code" id="code">

            <input type="text" id="yanzhengma">
                <!-- img标签负责向服务器 Controller 请求图片资源 -->

<!--            </form>-->
        </div>

        <div class="row">
            <button id="submit" onclick="mysub()">提交</button>
        </div>
    </div>
</div>

<script>

    var code = document.getElementById("code")

    function handleRefresh() {
        code.src = "/user/code?time=" + new Date().getTime();
    }

    code.addEventListener("click", handleRefresh)


    function mysub(){
        //1. 非空校验
        var username = jQuery("#username")
        var password = jQuery("#password")
        var yanzhengma = jQuery("#yanzhengma")
        if(username.val() == ""){
            alert("请先输入用户名!");
            username.focus();
            return;
        }

        if(password.val() == ""){
            alert("请先输入密码!");
            password.focus();
            return;
        }

        if(yanzhengma.val() == ""){
            alert("请先输入验证码!");
            yanzhengma.focus();
            return;
        }

        //2.ajax 请求登录接口
        jQuery.ajax({
            url : "/user/login",
            type : "POST",
            data :{"username" : username.val(), "password" : password.val(),"yanzhengma":yanzhengma.val()},
            success: function (result){
                if(result != null && result.code == 200 && result.data !=null){
                    //登录成功
                    location.href = "myblog_list.html";
                }else{
                    alert("抱歉,登录失败!");
                }
            }
        });

    }


</script>
</body>

</html>